package com.atguigu.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;


@Configuration
public class GulimallFeignConfig {

    @Bean
    public RequestInterceptor requestInterceptor(){
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                System.out.println("RequestInterceptor线程id" + Thread.currentThread().getId());
                //1. RequestContextHolder拿到刚进来的这个请求
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
               if (requestAttributes!=null) {
                   HttpServletRequest request = requestAttributes.getRequest();//老请求
                   //同步请求头数据cookie
                   if (request!=null) {
                       String cookie = request.getHeader("Cookie");
                       template.header("Cookie", cookie);
                   }
               }



            }
        };
    }

}
